  | Hach DREL 2800 Complete Water Quality Lab DREL/2800 Complete water quality laboratory (with sensION 156 meter and 2100P turbidimeter) | 
| |  | Hach DREL 2800 Industrial Water Quality Lab DREL/2800 Industrial water quality laboratory |
| |  | Hach DREL 2800 Complete Water Quality Lab DREL 2800 Complete water quality laboratory |
| |  | Hach Free & Total Chlorine Test Strips Free & total chlorine, 0-10 mg/L, 250 tests, individually wrapped |
| |  | Hach Free & Total Chlorine Color Disc Kit Free & total chlorine test kit, CN-80, 0-0.7, 0-3.5, 0-10T mg/L, 100 tests |
| | | Hach Free & Total Chlorine Color Disc Kit Free & total chlorine test kit, CN-70, 0-0.7, 0-3.5 mg/L, 100 tests |
| | | Hach Free & Total Chlorine Color Disc Kit Free chlorine test kit, CN-70F, 0-3.5, 0-0.7 mg/L, 200 tests |
| | | Hach Free & Total Chlorine Color Disc Kit Free & total chlorine test kit, CN-66, 0.1-3.5 mg/L, 100 tests |
| |  | Hach Free Chlorine Color Cube Kit Free chlorine test kit, 0.5-2.5 mg/L, 50 tests |
| | | Hach 5-in-1 Test Strips 5-in-1 Test strip total chlorine, free chlorine, total hardness, total alkalinity, & pH, 50 tests |
| | | Hach Free & Total Chlorine Test Strips Free & total chlorine, 0-10 mg/L, 50 tests |
| |  | YSI 600DW-B Drinking Water Multi-Parameter Sonde The YSI 600DW-B Drinking Water Sonde is the industry's first affordable, portable, multi-parameter system to collect continuous data on a distribution system. |
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Air Quality